Prainha
Rio Grande do Sul · Brazil
Rating right now
A october–april beach on the Río de la Plata near Rio Grande do Sul, Prainha is exposed to SW swell — S–W on the forecast is when it lights up, ideally with a N–E wind.
Today's surf at Prainha
Updated 01:25 spot time
Prainha surf report for Thursday 1 Oct: waves 0.1 m–0.2 m ankle to knee high, 0.2 m SE swell at 2.05 s. Wind up to 19 km/h SW. Best surf window around 00:00 — flat (0.5/5) with 8 km/h SSE wind.
Snapshot refreshed hourly — the live hourly forecast below updates in real time.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~19.7°C (67.5°F) on average
Jan
25.8°C
78.4°F · 24.1–27.7°C
Feb
26.3°C
79.3°F · 25–30.4°C
Mar
25.2°C
77.4°F · 22.2–29°C
Apr
22.7°C
72.9°F · 19.6–25.3°C
May
19.3°C
66.7°F · 16.5–21.6°C
Jun
16.6°C
61.9°F · 14–19.8°C
Jul
15.2°C
59.4°F · 11.9–18.4°C
Aug
15.8°C
60.4°F · 13.1–19.9°C
Sep
17.5°C
63.5°F · 14.6–21.4°C
Oct
19.7°C
67.5°F · 16.9–22.2°C
Nov
22.5°C
72.5°F · 19.8–25°C
Dec
24.3°C
75.7°F · 22.8–26°C
25-year monthly averages from the NOAA OISST satellite record — typical range min–max, not a live reading.
Know before you go
Best swell
S–W
Best wind
N–E
Break type
Beach break
Best season
October–April
Safety: Friendly by surf standards, but rip currents and drop-in etiquette still apply. Shifting sandbars create moving rip currents — learn to spot them and use them to get out back. Sharks are part of the ecosystem here — avoid dawn, dusk and murky rivermouth water.
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